| Period | Value | YoY Chg | Change % | Date |
|---|---|---|---|---|
| Q2 2024 | 10 | -0.16 | -1.57% | Jun 30, 2024 |
| Q1 2024 | 9.73 | -0.17 | -1.72% | Mar 31, 2024 |
| Q4 2023 | 9.67 | +0.72 | +8.04% | Dec 31, 2023 |
| Q3 2023 | 10.1 | +1.08 | +12% | Sep 30, 2023 |
| Q2 2023 | 10.2 | +0.87 | +9.35% | Jun 30, 2023 |
| Q1 2023 | 9.9 | -0.21 | -2.08% | Mar 31, 2023 |
| Q4 2022 | 8.95 | -2.72 | -23.3% | Dec 31, 2022 |
| Q3 2022 | 9.04 | -3.1 | -25.5% | Sep 30, 2022 |
| Q2 2022 | 9.3 | -3.87 | -29.4% | Jun 30, 2022 |
| Q1 2022 | 10.1 | -5.01 | -33.1% | Mar 31, 2022 |
| Q4 2021 | 11.7 | -2.77 | -19.2% | Dec 31, 2021 |
| Q3 2021 | 12.1 | -1.33 | -9.87% | Sep 30, 2021 |
| Q2 2021 | 13.2 | -0.24 | -1.79% | Jun 30, 2021 |
| Q1 2021 | 15.1 | +2.82 | +22.9% | Mar 31, 2021 |
| Q4 2020 | 14.4 | +0.96 | +7.12% | Dec 31, 2020 |
| Q3 2020 | 13.5 | -1.48 | -9.9% | Sep 30, 2020 |
| Q2 2020 | 13.4 | -1.78 | -11.7% | Jun 30, 2020 |
| Q1 2020 | 12.3 | -2.61 | -17.5% | Mar 31, 2020 |
| Q4 2019 | 13.5 | -1.77 | -11.6% | Dec 31, 2019 |
| Q3 2019 | 15 | +0.18 | +1.22% | Sep 30, 2019 |
| Q2 2019 | 15.2 | -0.42 | -2.69% | Jun 30, 2019 |
| Q1 2019 | 14.9 | -3.73 | -20% | Mar 31, 2019 |
| Q4 2018 | 15.3 | -7.54 | -33.1% | Dec 31, 2018 |
| Q3 2018 | 14.8 | -11.6 | -44.1% | Sep 30, 2018 |
| Q2 2018 | 15.6 | -12.9 | -45.3% | Jun 30, 2018 |
| Q1 2018 | 18.7 | -10.3 | -35.6% | Mar 31, 2018 |
| Q4 2017 | 22.8 | -6.02 | -20.9% | Dec 31, 2017 |
| Q3 2017 | 26.4 | -1.97 | -6.94% | Sep 30, 2017 |
| Q2 2017 | 28.6 | +1.98 | +7.45% | Jun 30, 2017 |
| Q1 2017 | 29 | +4.22 | +17% | Mar 31, 2017 |
| Q4 2016 | 28.8 | +4.49 | +18.5% | Dec 31, 2016 |
| Q3 2016 | 28.4 | +6.22 | +28.1% | Sep 30, 2016 |
| Q2 2016 | 26.6 | +4.35 | +19.6% | Jun 30, 2016 |
| Q1 2016 | 24.8 | +2.82 | +12.9% | Mar 31, 2016 |
| Q4 2015 | 24.3 | +4.54 | +22.9% | Dec 31, 2015 |
| Q3 2015 | 22.2 | +2.17 | +10.9% | Sep 30, 2015 |
| Q2 2015 | 22.2 | +2.27 | +11.4% | Jun 30, 2015 |
| Q1 2015 | 21.9 | +2.47 | +12.7% | Mar 31, 2015 |
| Q4 2014 | 19.8 | -0.76 | -3.7% | Dec 31, 2014 |
| Q3 2014 | 20 | -1.51 | -7.02% | Sep 30, 2014 |
| Q2 2014 | 20 | -2.28 | -10.3% | Jun 30, 2014 |
| Q1 2014 | 19.5 | -4.3 | -18.1% | Mar 31, 2014 |
| Q4 2013 | 20.6 | -4.18 | -16.9% | Dec 31, 2013 |
| Q3 2013 | 21.5 | -2.89 | -11.9% | Sep 30, 2013 |
| Q2 2013 | 22.2 | -1.87 | -7.75% | Jun 30, 2013 |
| Q1 2013 | 23.8 | -3.16 | -11.7% | Mar 31, 2013 |
| Q4 2012 | 24.7 | -4.67 | -15.9% | Dec 31, 2012 |
| Q3 2012 | 24.4 | -8.68 | -26.2% | Sep 30, 2012 |
| Q2 2012 | 24.1 | -13.1 | -35.2% | Jun 30, 2012 |
| Q1 2012 | 26.9 | -12 | -30.7% | Mar 31, 2012 |
| Q4 2011 | 29.4 | -10 | -25.4% | Dec 31, 2011 |
| Q3 2011 | 33.1 | Sep 30, 2011 | ||
| Q2 2011 | 37.2 | Jun 30, 2011 | ||
| Q1 2011 | 38.9 | Mar 31, 2011 | ||
| Q4 2010 | 39.4 | Dec 31, 2010 |